/**
*     Copyright (c) 2022, Nations Technologies Inc.
* 
*     All rights reserved.
*
*     This software is the exclusive property of Nations Technologies Inc. (Hereinafter 
* referred to as NATIONS). This software, and the product of NATIONS described herein 
* (Hereinafter referred to as the Product) are owned by NATIONS under the laws and treaties
* of the People’s Republic of China and other applicable jurisdictions worldwide.
*
*     NATIONS does not grant any license under its patents, copyrights, trademarks, or other 
* intellectual property rights. Names and brands of third party may be mentioned or referred 
* thereto (if any) for identification purposes only.
*
*     NATIONS reserves the right to make changes, corrections, enhancements, modifications, and 
* improvements to this software at any time without notice. Please contact NATIONS and obtain 
* the latest version of this software before placing orders.

*     Although NATIONS has attempted to provide accurate and reliable information, NATIONS assumes 
* no responsibility for the accuracy and reliability of this software.
* 
*     It is the responsibility of the user of this software to properly design, program, and test 
* the functionality and safety of any application made of this information and any resulting product. 
* In no event shall NATIONS be liable for any direct, indirect, incidental, special,exemplary, or 
* consequential damages arising in any way out of the use of this software or the Product.
*
*     NATIONS Products are neither intended nor warranted for usage in systems or equipment, any
* malfunction or failure of which may cause loss of human life, bodily injury or severe property 
* damage. Such applications are deemed, “Insecure Usage”.
*
*     All Insecure Usage shall be made at user’s risk. User shall indemnify NATIONS and hold NATIONS 
* harmless from and against all claims, costs, damages, and other liabilities, arising from or related 
* to any customer’s Insecure Usage.

*     Any express or implied warranty with regard to this software or the Product, including,but not 
* limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement
* are disclaimed to the fullest extent permitted by law.

*     Unless otherwise explicitly permitted by NATIONS, anyone may not duplicate, modify, transcribe
* or otherwise distribute this software for any purposes, in whole or in part.
*
*     NATIONS products and technologies shall not be used for or incorporated into any products or systems
* whose manufacture, use, or sale is prohibited under any applicable domestic or foreign laws or regulations. 
* User shall comply with any applicable export control laws and regulations promulgated and administered by 
* the governments of any countries asserting jurisdiction over the parties or transactions.
**/
 
/**
*\*\file main.c
*\*\author Nations
*\*\version v1.0.0
*\*\copyright Copyright (c) 2022, Nations Technologies Inc. All rights reserved.
**/

#include "main.h"
#include "bsp_led.h"
#include "bsp_delay.h"
#include "bsp_can.h"
#include "can_ota.h"
#include "ota.h"
#include <string.h>
#include <log.h>
#include "log.h"

volatile uint32_t can_id;
volatile uint8_t can_data[8] = {0};
uint8_t can_len;

/**
 *\*\name   main.
 *\*\fun    main function.
 *\*\param  none.
 *\*\return none.
**/
int main(void)
{
        // 重定位中断向量表
    SCB->VTOR = FLASH_BASE | 0x6000; // 设置偏移到0x08004000
    __enable_irq();                   // 使能全局中断
    
        // 初始化RTT

    log_init();

    LOGI("RTT Initialized\r\n");



    // 初始化LED
    LED_Initialize(LED1_GPIO_PORT, LED1_GPIO_PIN | LED2_GPIO_PIN | LED3_GPIO_PIN);
    LED_Off(LED1_GPIO_PORT, LED1_GPIO_PIN | LED2_GPIO_PIN | LED3_GPIO_PIN);
    LED_On(LED2_GPIO_PORT, LED2_GPIO_PIN | LED3_GPIO_PIN);

    // 初始化CAN
    BSP_CAN_Init();
    
    // 初始化CAN OTA，配置设备ID
    // extern const uint8_t can_ota_device_id;
    CAN_OTA_Config ota_config = {
        .device_id = *(__IO uint8_t*)DEVICE_ID_ADDR,      // 设备ID，每个设备需要配置不同的ID
        .group_id = 0,       // 组ID，可用于分组升级
        .is_master = 0       // 是否为主设备
    };
    CAN_OTA_Init(&ota_config);
    
    LOGI("Application Start, Device ID: %d\r\n", ota_config.device_id);
    LOGI("System Ready!\r\n");

    while (1)
    {
        /* LED闪烁 */
        LED1_TOGGLE;
        
        /* 检查CAN状态 */
        uint32_t can_status = CAN->MSTS;
        uint32_t can_error_status = CAN->ESTS;
        
        if(can_status & CAN_MSTS_ERRINT) {  // 错误中断标志
            LOGI("CAN Error: MSTS=0x%08lX, ESTS=0x%08lX\r\n", can_status, can_error_status);
            
            if(can_error_status & CAN_ESTS_BOFFL) {  // 总线关闭标志
                LOGI("CAN Bus-Off Error!\r\n");
            }
            if(can_error_status & CAN_ESTS_EPVFL) {  // 错误被动标志
                LOGI("CAN Error Passive!\r\n");
            }
            if(can_error_status & CAN_ESTS_EWGFL) {  // 错误警告标志
                LOGI("CAN Error Warning!\r\n");
            }
            if(can_status & CAN_MSTS_WKUINT) {  // 唤醒中断
                LOGI("CAN Wakeup Interrupt!\r\n");
            }
            
            // 清除错误标志
            CAN->MSTS &= ~CAN_MSTS_ERRINT;
        }
        
        /* 处理CAN消息 */
        CAN_Message msg;
        while(BSP_CAN_GetMessage(&msg)) {
            // 处理接收到的CAN消息
            CAN_OTA_HandleMessage(msg.id, msg.data, msg.len);
        }
        
        SysTick_Delay_Ms(1000);
    }
}


